English to Italian Law/Patents Patents Ore screening panel

Si tratta del titolo del brevetto e non so come tradurlo. Pannello ... minerale??
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Description
This invention relates to modular panels used in vibratory screening machines of the type used in min- ing and quarrying.
Background to the invention
Australian patent xxxx proposed a modular screening panel system for ore screening decks which is now widely used by the mining industry and replaced the earlier screening cloths, and large wire screening frames.
The screening panels were all of the same size [eg. 300mm] and made of reinforced polyurethane.
Grazie mille.